/*
 * Copyright (c) 2014, Ford Motor Company
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided with the
 * distribution.
 *
 * Neither the name of the Ford Motor Company nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#if defined(OS_WIN32) || defined(OS_WINCE)
#include "unistd.h"
#include "apr_arch_dso.h"
#else
#include <dlfcn.h>
#endif
#include "utils/appenders_loader.h"

namespace utils {

AppendersLoader appenders_loader;

AppendersLoader::AppendersLoader() {
#if defined(OS_WIN32)
  handle_=LoadLibrary("appenders.dll");
#elif defined(OS_WINCE)
  handle_=LoadLibrary(L"appenders.dll");
#else
  handle_ = dlopen("libappenders.so", RTLD_LAZY);
#endif
}

AppendersLoader::~AppendersLoader() {
#if defined(OS_WIN32) || defined(OS_WINCE)
  if (handle_!=0) {
    CloseHandle(handle_);
  }
#else
  if (handle_ != 0) {
    dlclose(handle_);
  }
#endif
}

bool AppendersLoader::Loaded() const {
  return handle_ != 0;
}

}  // namespace utils
